Enjoying EarthSky? Subscribe.

271,481 subscribers and counting ...

Star trails over Smiths Falls

Fiona M. Donnelly captured this image on October 21. 2017, in Smiths Falls, Ontario. She wrote, “Our Earth’s rotation during a one-hour period.”

Image via Fiona M. Donnelly.

When a camera captures a star’s movement across the sky, it’s called a star trail. An astrophotographer explains how to capture great images of star trails here.

Eleanor Imster

MORE ARTICLES